If you havent registered, on the top of the forums there is a register page which you can login to the forums,
If you aren't registered you wont be able to see half of the content registered users see.

so my mum was annoyed cause money keeps getting taken from her account saying something like STEAMPOWERED.COM/BELLEVUE and I have never used any web sights but steam with the credit card, could someone plz tell me what this could be? and when i paste the website thing in the URL bar nothing comes up so I am very confused